{"action":"Upgrade kubernetes to 1.20.5+really1.20.2-1 or later.","affected":[{"fixed":"1.20.5+really1.20.2-1","introduced":"0"}],"component":"kubernetes","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1.20.5+really1.20.2-1"],"id":"tcs_01M5NF8TEPGNZ0MMVYCAYV25S0","modified_at":"2026-10-26T12:02:51.777670099Z","published_at":"2021-09-20T17:15:08.187Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-8561","https://security-tracker.debian.org/tracker/CVE-2020-8561"],"severity":{"label":"medium","score":4.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-8561#Debian:13/kubernetes","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-8561"}],"summary":"A security issue was discovered in Kubernetes where actors that control the responses of MutatingWebhookConfiguration or ValidatingWebhookConfiguration requests are able to redirect kube-apiserver req"}